diff --git a/README.md b/README.md
index 189674d..43f2fea 100644
--- a/README.md
+++ b/README.md
@@ -20,3 +20,9 @@
 * A device node in the form **overlay=/dev/sdX1** (not recommended).
 
 You might need to explicitly add additional drivers and fsck tools in your initramfs, as once you booted onto the overlayfs, when regenerating the initramfs, dracut will not notice which fs module you will require, nor which fsck tool.
+
+Then format a partition with whatever filesystem you wish to use, and create the following directories, with this exact naming:
+
+* lower
+* upper
+* work